INDEX. 



389 



Amadavat, pugnacity of male, ii. 46. 



Amadina Laihami, display of plumage 

 by the male, ii. 91. 



Amadina castanolis, display of plumage 

 by the male, ii. 91. 



Am axons, butterflies of the, i. 301 ; fishes 

 of the, ii. 17. 



America, variation in the skulls of abori- 

 gines of, i. 104; wide range of aborigines 

 of i. 211; lice of the natives of, i. 212; 

 general beardlessness of the natives of, 

 ii. 307. 



America, North, butterflies of, i. 301 ; In- 

 dians of, women a cause of strife among 

 the, ii. 308 ; Indians of, their notions of 

 female beauty, ii. 327, 328. 



America, South, character of the natives 

 of, i. 203; population of parts of, i. 216; 

 piles of stones in, i. 224 ; extinction of 

 the fossil horse of, i. 231 ; desert-birds of, 

 ii. 214; slight sexual difference of the 

 aborigines of. ii. 367 ; prevalence of infan- 

 ticide in, ii. 347. 



American languages, often highly artifi- 

 cial, i. 108. 



Americans, wide geographical range of, i. 

 10S ; and negroes, difference of, i. 238 ; 

 aversion of. to hair on the face, ii. 219 ; 

 native, variability of, i. 219. 



Ammophila, on the jaws of, i. 232. 



Ammotragus tragelaphus, hairy forelegs 

 of, ii. 269, 272. 



Amphibia, affinity of, to the ganoid fishes, 

 i. 196; vocal organs of the, ii. 315. 



Amphibians, i. 204, ii. 22 ; breeding while 

 immature, ii. 206. 



Amphioxus, i. 196. 



Ampiiipoda, males sexually mature while 

 young, ii. 205. 



Amunopii III., negro character of features 

 of, i. 210. 



Anal appendages of insects, i. 332. 



Analogous variation in the plumage of 

 birds, ii. 71. 



Anas, ii. 172. 



Anas acuta, male plumage of, ii. 81. 



Anas boschas, male plumage of, ii. 81. 



Anas histrionica, ii. 205. 



Anastomus oscitans, sexes and young of, 

 ii. 20S; white nuptial plumage of, ii. 

 218. 



Anatid.e, voices of, ii, 57. 



Anax Junius, difference in the sexes of, i. 

 351. 



Anglo-Saxons, estimation of the beard 

 among the, ii. 333. 



Animals, cruelty of savages to, i. 91 ; do- 

 mesticated, more fertile than wild, i. 127 ; 

 characters common to man and, i. 178 ; 



• domestic, change of breeds of, ii. 353, 



Annelida, i. 31S. 



Annulosa, i. 318. 



Anolis cristatellus, male, crest of, ii. 30; 

 pugnacity of the male, ii. 30; throat- 

 pouch of, ii. 31. 



Anobium tessellatum, sounds produced 

 by, i. 373. 



Anser Canadensis, ii. 112. 



Anser cygnoides, ii. 110; knob at the base 

 of the beak of, ii. 124. 



Anser h>/perboreus, whiteness of, ii. 218. 



Antelope, prong-horned, horns of, i. 279. 



Antelopes, generally polygamous, i. 25S; 

 horns of, i. 279, ii. 234; canine teeth of 

 some male, ii. 230; use of horns of, ii. 

 259; dorsal crests in, ii. 268; dewlaps of, 

 ii. 270; winter change of two species of, 

 ii. 2S4 ; peculiar markings of. ii. 2S5, 



Antenn.e, furnished with cushions in the 

 male of Penthe, i. 333. 



Anthid.ium manicatum, large male of, L 

 337. 



Anihocharis cardamines, i. 376, 3S1; sex- 

 ual difference of color in, i. 396. 



Anthocharis genutia, i. 381 



Anthocharis sara, L.3S1. 



Anthophora acervorum, large male of, i. 

 337. 



Anthophora retusa, difference of the sexes 

 in. i. 354. 



Anthus, moulting of, ii. 79. 



Anthropid.e, i. 187. 



Antigua, Dr. Nicholson's observations on 

 yellow fever in, i. 236. 



Antics of birds, ii. 65. 



Antilocapra Americana, horns of, i, 280, 

 ii. 234. 



Antilope bezoartica, horned females of ii. 

 235, 237 ; sexual difference in the color 

 of, ii. 274. 



Antilope Dorcas and euchore, ii. 234. 



Antilope euchore, horns of, ii. 239. 



Antilope montana, rudimentary canines 

 in the young male of, ii. 246. 



Antilope niger, sing-sing, caama, and 

 gorgon, sexual dilferences in the colors 

 of. ii. 275. 



Antilope oreas, horns of, i. 279. 



Antilope saiga, polygamous habits of, i. 

 25S. 



Antilope strepsiceros, horns of, i. 279. 



Antilope subgutturosa, absence of sub- 

 orbital pits in, ii. 267. 



Antipathy, shown by birds in confine- 

 ment, to certain persons, ii. 106. 



Ants, i. 179 ; playing together, i. 38; mem- 

 ory in, i. 44 ; intercommunication of, by 

 means of the antennse, i. 56 ; large size 

 of the cerebral ganglia in, i. 140 ; soldier-, 

 large jaws of, i. 149 ; difference of the 

 sexes in, i. 354 ; recognition of each other 

 by, after separation, i. 354. 



Ants, White, habits of, i. 353. 



Anura, ii. 24. 



Apaiania muliebris, male unknown, , 

 306. 



Apathus, difference of the sexes in, :. 355 



Apatura Iris, i. 374, 376. 



Apes, anthropomorphous, i. 1S9 ; differ- 

 ence of the young, from the adult, i. 13 ; 

 building platforms, i. 51; probable 

 speedy extermination of the, i. 193; Gra- 

 tiolet on the evolution of, i. 222 ; semi- 

 erect attitude of some, i. 137 ; mastoid 

 processes of. i. 137; influence of the jaw- 

 muscles on the physiognomy of. i. 139 



